EP2112778A3 - Kommunikationsendgerät und Empfangsumgebungsberichtsverfahren - Google Patents

Kommunikationsendgerät und Empfangsumgebungsberichtsverfahren Download PDF

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Publication number
EP2112778A3
EP2112778A3 EP09004218A EP09004218A EP2112778A3 EP 2112778 A3 EP2112778 A3 EP 2112778A3 EP 09004218 A EP09004218 A EP 09004218A EP 09004218 A EP09004218 A EP 09004218A EP 2112778 A3 EP2112778 A3 EP 2112778A3
Authority
EP
European Patent Office
Prior art keywords
cqi
reception
sir
terminal device
communication terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09004218A
Other languages
English (en)
French (fr)
Other versions
EP2112778B1 (de
EP2112778A2 (de
Inventor
Yousuke Iizuka
Shinsuke Ogawa
Yukihiko Okumura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Docomo Inc
Original Assignee
NTT Docomo Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NTT Docomo Inc filed Critical NTT Docomo Inc
Publication of EP2112778A2 publication Critical patent/EP2112778A2/de
Publication of EP2112778A3 publication Critical patent/EP2112778A3/de
Application granted granted Critical
Publication of EP2112778B1 publication Critical patent/EP2112778B1/de
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0036—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
EP09004218A 2008-04-21 2009-03-25 Kommunikationsendgerät und Empfangsumgebungsberichtsverfahren Ceased EP2112778B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008110576A JP4531826B2 (ja) 2008-04-21 2008-04-21 通信端末装置、受信環境報告方法

Publications (3)

Publication Number Publication Date
EP2112778A2 EP2112778A2 (de) 2009-10-28
EP2112778A3 true EP2112778A3 (de) 2010-04-28
EP2112778B1 EP2112778B1 (de) 2011-08-03

Family

ID=40941447

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09004218A Ceased EP2112778B1 (de) 2008-04-21 2009-03-25 Kommunikationsendgerät und Empfangsumgebungsberichtsverfahren

Country Status (4)

Country Link
US (1) US8037374B2 (de)
EP (1) EP2112778B1 (de)
JP (1) JP4531826B2 (de)
CN (1) CN101568146B (de)

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* Cited by examiner, † Cited by third party
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JP5405501B2 (ja) * 2010-02-25 2014-02-05 パナソニック株式会社 通信装置及び通信方法
JP5498888B2 (ja) * 2010-07-29 2014-05-21 京セラ株式会社 無線端末及び伝送速度計算方法
DE102011088724A1 (de) * 2010-12-15 2012-06-21 Hirschmann Automation And Control Gmbh Aderbruch-Diagnose
CN103329612B (zh) * 2011-01-21 2017-05-24 富士通株式会社 报告信道状态信息的方法、基站和用户设备
US9107091B2 (en) 2011-05-23 2015-08-11 Mediatek Inc. Method and apparatus reporting channel quality indicator of communication system
US8494039B2 (en) * 2011-05-23 2013-07-23 Mediatek Inc. Method and apparatus reporting channel quality indicator of communication system
KR101607179B1 (ko) * 2011-06-10 2016-03-29 후아웨이 테크놀러지 컴퍼니 리미티드 채널 품질 표시를 정정하는 방법 및 장치
CN103580784B (zh) * 2012-07-26 2018-03-23 中兴通讯股份有限公司 基于信道质量指示选择调制方式、码率的方法和基站
CN102883371A (zh) * 2012-09-28 2013-01-16 中兴通讯股份有限公司 一种网络负荷均衡的方法、装置和系统
US20140098688A1 (en) * 2012-10-10 2014-04-10 Qual Comm Incorporated Outer loop control of cqi reporting and generation in wireless network
CN103873217A (zh) * 2012-12-17 2014-06-18 展讯通信（上海）有限公司 信道质量指示的校正方法及装置、用户设备
US9379842B2 (en) * 2013-10-30 2016-06-28 Telefonaktiebolaget Lm Ericsson (Publ) Outer-loop adjustment for wireless communication link adaptation
WO2015114209A1 (en) * 2014-01-31 2015-08-06 Nokia Corporation Bler measurements for mbms
DE102014101659B4 (de) * 2014-02-11 2018-10-04 Intel IP Corporation Kommunikationsendgerät und ein Verfahren zum Berichten einer Kanalqualität
EP2942892A1 (de) * 2014-05-09 2015-11-11 Alcatel Lucent Verfahren, Benutzervorrichtung, Basisstation und computerlesbares Medium zur Übertragung von Ausbreitungskanalqualitätsindikatoren
WO2016075517A1 (en) 2014-11-14 2016-05-19 Telefonaktiebolaget L M Ericsson (Publ) Statistical model based control signal outer-loop adjustment
US9628154B2 (en) 2015-03-03 2017-04-18 Samsung Electronics Co., Ltd. Apparatus for and method of channel quality prediction through computation of multi-layer channel quality metric
DE102015104313A1 (de) * 2015-03-23 2016-09-29 Intel IP Corporation Verfahren und Vorrichtung zum Bereitstellen eines Korrekturparameters zum Korrigieren von Kanalzustandsinformationen
CN113411162B (zh) 2016-05-12 2022-12-30 华为技术有限公司 数据传输方法、设备及系统
CN108667500B (zh) * 2017-03-30 2021-02-09 华为技术有限公司 数据传输方法、终端设备和网络设备
CN113595698B (zh) * 2020-04-30 2023-06-02 华为技术有限公司 一种调整信道质量指标cqi的方法和终端设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040266358A1 (en) * 2003-06-26 2004-12-30 Interdigital Technology Corporation Method for generating a channel quality indicator by biasing signal-to-interference ratio
EP1513282A2 (de) * 2003-09-05 2005-03-09 Fujitsu Limited Funkkommunikationsvorrichtung mit adaptiver Modulation und Kodierung
EP1592139A2 (de) * 2004-04-30 2005-11-02 NTT DoCoMo, Inc. Drahtlose Basisstation und Verfahren zur Steuerung der drahtlosen Kommunikation

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3753698B2 (ja) 2003-02-07 2006-03-08 松下電器産業株式会社 無線送信装置および伝送レート決定方法
CN1200538C (zh) * 2003-07-11 2005-05-04 清华大学 一种通过统计和控制节点状态选择路由的方法
JP2005064947A (ja) * 2003-08-14 2005-03-10 Matsushita Electric Ind Co Ltd 無線通信装置及び受信品質報告方法
JP4211032B2 (ja) 2003-08-15 2009-01-21 富士通株式会社 通信品質制御機能を有する通信装置
JP2005323003A (ja) * 2004-05-06 2005-11-17 Fujitsu Ltd 送信装置、受信装置
US7492722B2 (en) 2004-11-04 2009-02-17 Interdigital Technology Corporation Wireless communication method and apparatus for adaptively biasing channel quality indicators to maintain a desired block error rate
JP4457867B2 (ja) 2004-11-25 2010-04-28 富士通株式会社 無線通信装置、移動局
WO2006095398A1 (ja) * 2005-03-07 2006-09-14 Fujitsu Limited 無線通信システム
JP4615353B2 (ja) 2005-04-14 2011-01-19 三菱電機株式会社 基地局装置
JP4734337B2 (ja) * 2005-09-30 2011-07-27 パナソニック株式会社 無線送信装置および無線送信方法
JP4649330B2 (ja) 2005-12-28 2011-03-09 富士通株式会社 移動端末装置及び同装置におけるチャネル補償方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040266358A1 (en) * 2003-06-26 2004-12-30 Interdigital Technology Corporation Method for generating a channel quality indicator by biasing signal-to-interference ratio
EP1513282A2 (de) * 2003-09-05 2005-03-09 Fujitsu Limited Funkkommunikationsvorrichtung mit adaptiver Modulation und Kodierung
EP1592139A2 (de) * 2004-04-30 2005-11-02 NTT DoCoMo, Inc. Drahtlose Basisstation und Verfahren zur Steuerung der drahtlosen Kommunikation

Also Published As

Publication number Publication date
US20090287970A1 (en) 2009-11-19
CN101568146B (zh) 2012-08-22
EP2112778B1 (de) 2011-08-03
EP2112778A2 (de) 2009-10-28
JP4531826B2 (ja) 2010-08-25
US8037374B2 (en) 2011-10-11
JP2009267441A (ja) 2009-11-12
CN101568146A (zh) 2009-10-28

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